20659308

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^3\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 51085440

約数和(自身を除く): 30426132

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 251, 361, 502, 722, 753, 1004, 1083, 1444, 1506, 2166, 3012, 4332, 4769, 6859, 9538, 13718, 14307, 19076, 20577, 27436, 28614, 41154, 57228, 82308, 90611, 181222, 271833, 362444, 543666, 1087332, 1721609, 3443218, 5164827, 6886436, 10329654, 20659308]

約数ペア:

[(1, 20659308), (2, 10329654), (3, 6886436), (4, 5164827), (6, 3443218), (12, 1721609), (19, 1087332), (38, 543666), (57, 362444), (76, 271833), (114, 181222), (228, 90611), (251, 82308), (361, 57228), (502, 41154), (722, 28614), (753, 27436), (1004, 20577), (1083, 19076), (1444, 14307), (1506, 13718), (2166, 9538), (3012, 6859), (4332, 4769)]